to prevent
Regular verb: prevent - prevented- prevented

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I prevent
you prevent
he prevents
we prevent
you prevent
they prevent 	Iampreventing
youarepreventing
heispreventing
wearepreventing
youarepreventing
theyarepreventing	I prevented
you prevented
he prevented
we prevented
you prevented
they prevented	Iwaspreventing
youwerepreventing
hewaspreventing
wewerepreventing
youwerepreventing
theywerepreventing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have prevented
you have prevented
he has prevented
we have prevented
you have prevented
they have prevented	I have been preventing
you have been preventing
hehasbeen preventing
we have been preventing
you have been preventing
they have been preventing	I had prevented
you had prevented
he had prevented
we had prevented
you had prevented
they had prevented	I had been preventing
you had been preventing
he had been preventing
we had been preventing
you had been preventing
they had been preventing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will prevent
you will prevent
he will prevent
we will prevent
you will prevent
they will prevent 	I will be preventing
you will be preventing
he will be preventing
we will be preventing
you will be preventing
they will be preventing	I will have prevented
you will have prevented
he will have prevented
we will have prevented
you will have prevented
they will have prevented	I will have been preventing
you will have been preventing
he will have been preventing
we will have been preventing
you will have been preventing
they will have been preventing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would prevent
you would prevent
he would prevent
we would prevent
you would prevent
they would prevent 	I would be preventing
you would be preventing
he would be preventing
we would be preventing
you would be preventing
they would be preventing	I would have prevented
you would have prevented
he would have prevented
we would have prevented
you would have prevented
they would have prevented	I would have been preventing
you would have been preventing
he would have been preventing
we would have been preventing
you would have been preventing
they would have been preventing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to prevent 	 	prevent
Let's prevent
prevent 	 	

Participle 	
Present 	Past 	 	 	
preventing	prevented